Answers for is this a size 4-40

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Tacfire A2 Buffer Tube Hollow Set Screw

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Manufacturer Answer

A

Answered by TACFIRE INC., Manufacturer from AL, United States, on March 08, 2023

It's a 1/4-28 that is 1 1/8" from end to end. consisting of 1/8" of head and 1" of threaded shaft. It has a drain hole drilled lengthwise through it.

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TacFire + Gun Parts Tacfire Gun Parts Tacfire A2 Buffer Tube Hollow Set Screw Tacfire A2 Buffer Tube Hollow Set Screw Q&A Question - is this a size 4-40 TacFire + Gun Parts Tacfire Gun Parts + AR 15 Parts Tacfire AR15 Parts + AR15 Lower Parts Tacfire AR15 Lower Parts Tacfire A2 Buffer Tube Hollow Set Screw Tacfire A2 Buffer Tube Hollow Set Screw Q&A Question - is this a size 4-40 TacFire + Gun Parts Tacfire Gun Parts + Rifle Parts Tacfire Rifle Parts + AR 15 Parts Tacfire AR15 Parts + AR15 Lower Parts Tacfire AR15 Lower Parts Tacfire A2 Buffer Tube Hollow Set Screw Tacfire A2 Buffer Tube Hollow Set Screw Q&A Question - is this a size 4-40 TacFire + Gun Parts Tacfire Gun Parts + AR 15 Parts Tacfire AR15 Parts Tacfire A2 Buffer Tube Hollow Set Screw Tacfire A2 Buffer Tube Hollow Set Screw Q&A Question - is this a size 4-40 TacFire + Gun Parts Tacfire Gun Parts + Rifle Parts Tacfire Rifle Parts + AR 15 Parts Tacfire AR15 Parts Tacfire A2 Buffer Tube Hollow Set Screw Tacfire A2 Buffer Tube Hollow Set Screw Q&A Question - is this a size 4-40 TacFire + Gun Parts Tacfire Gun Parts + Rifle Parts Tacfire Rifle Parts Tacfire A2 Buffer Tube Hollow Set Screw Tacfire A2 Buffer Tube Hollow Set Screw Q&A Question - is this a size 4-40 TacFire + Gun Parts Tacfire Gun Parts + AR 15 Parts Tacfire AR15 Parts + AR15 Lower Parts Tacfire AR15 Lower Parts + AR15 Buffer Assemblies TacFire AR15 Buffer Assemblies Tacfire A2 Buffer Tube Hollow Set Screw Tacfire A2 Buffer Tube Hollow Set Screw Q&A Question - is this a size 4-40 TacFire + Gun Parts Tacfire Gun Parts + Rifle Parts Tacfire Rifle Parts + AR 15 Parts Tacfire AR15 Parts + AR15 Lower Parts Tacfire AR15 Lower Parts + AR15 Buffer Assemblies TacFire AR15 Buffer Assemblies Tacfire A2 Buffer Tube Hollow Set Screw Tacfire A2 Buffer Tube Hollow Set Screw Q&A Question - is this a size 4-40

Last updated 2025-11-12 UTC.